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Finding the Fourth Proportional to 100,708.55, 151,031.95 and 33,228.13

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Solution

The fourth proportional to 100,708.55, 151,031.95 and 33,228.13 is: 49,832.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,708.55 : 151,031.95 = 33,228.13 : x
  2. Step 2: Convert to fraction form
    100,708.55/151,031.95 = 33,228.13/x
  3. Step 3: Cross multiply
    100,708.55x = 151,031.95 × 33,228.13
  4. Step 4: Simplify right side
    100,708.55x = 5,018,509,268.75
  5. Step 5: Solve for x
    x = 5,018,509,268.75/100,708.55
  6. Step 6: Final answer
    x = 49,832.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.